#include<stdio.h> int a[100][100]; int main() { int n; scanf("%d",&n); for(int i=1;i<=n;i++) for(int j=1;j<=i;j++) scanf("%d",&a[i][j]); int maxx =0; for(int i=2;i<=n;i++) for(int j=1;j<=i;j++){ if(j == 1) a[i][j] += a[i-1][j]; else if(j == i) a[i][j] += a[i-1][j-1]; else if( (a[i][j] + a[i-1][j]) > (a[i][j] + a[i-1][j-1]) ) a[i][j] += a[i-1][j]; else a[i][j] += a[i-1][j-1]; if(a[i][j]>maxx) maxx = a[i][j]; } printf("%d",maxx); return 0; }
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时间: 2024-10-21 19:14:26